SportRack A90095 Explorer Roof Box 18 cu. ft. (509 liter) capacity Mounts directly to most OEM and aftermarket crossbars with included u-bolt mounting kit Passenger side opening design includes a lock for secure and easy curbside access Assembly required Dimensions: 54"(l) x 39"(w) x 19.5"(h) / 32 lbs (14.5 kg), Maximum load of 100 lbs (45 kg)